Building Materials The compound of Portland cement which contributes to the strength after two to three years is Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra-calcium alumino ferrite Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra-calcium alumino ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following bricks are used for lining of furnaces? Refractory bricks First class bricks Over-burnt bricks Under-burnt bricks Refractory bricks First class bricks Over-burnt bricks Under-burnt bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 25 % 10 % 5 % 15 % 25 % 10 % 5 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron 700 m3 air is required 20 kg limestone is required One quintal coke is required All listed here 700 m3 air is required 20 kg limestone is required One quintal coke is required All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done To remove moisture By roasting in heaps All listed here To remove carbonic acid To remove moisture By roasting in heaps All listed here To remove carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Building Materials The vehicle used in case of enamel paints is usually None of these Water Linseed oil Varnish None of these Water Linseed oil Varnish ANSWER DOWNLOAD EXAMIANS APP
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